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| author | Loic GUEGAN <loic.guegan@yahoo.fr> | 2018-09-02 18:31:11 +0200 |
|---|---|---|
| committer | Loic GUEGAN <loic.guegan@yahoo.fr> | 2018-09-02 18:31:11 +0200 |
| commit | 1cc7b41a1166fb16d5cd4d93df5ffb898766477a (patch) | |
| tree | 85fc58c99bdcea3590fd278e8a13cf5026d20a27 /MicSim/components/microprogram.py | |
| parent | 80e4c1d603a2a3adf5d3038463e36085529e4f4b (diff) | |
Debug
Diffstat (limited to 'MicSim/components/microprogram.py')
| -rw-r--r-- | MicSim/components/microprogram.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/MicSim/components/microprogram.py b/MicSim/components/microprogram.py index ec84886..c2a3552 100644 --- a/MicSim/components/microprogram.py +++ b/MicSim/components/microprogram.py @@ -32,7 +32,9 @@ class Microprogram: """ Read data into memory """ + self.c["MAR"]=self.c["MAR"]*4 # Don't forget MAR address 32bits block of memory little_endian=self.c["RAM"].read() + self.c["MAR"]=self.c["MAR"]/4 # Restore MAR ##### Build little endian version of MDR #### big_endian=(little_endian&0xFF)<<24 big_endian=big_endian|(((little_endian>>8)&0xFF)<<16) @@ -53,7 +55,9 @@ class Microprogram: ############################################## big_endian=self.c["MDR"] # Backup MDR before change it to little endian self.c["MDR"]=little_endian # Load little endian value + self.c["MAR"]=self.c["MAR"]*4 # Don't forget MAR address 32bits block of memory self.c["RAM"].write() # Write little endian value into memory + self.c["MAR"]=self.c["MAR"]/4 # Restore MAR self.c["MDR"]=big_endian # Restore big endian def exec(self): # TODO: Implement opcode |